1.solar system.montessori 2.Help children understand basic astronomical knowledge 3.eco-friendly material used 4.non-fade montessori ITEM JS-G019Help children understand basic astronomical knowledge and understanding of the nine planets of the solar system Solar system
1.API 11E pumping unit 2.Conventional beam unit 3.Specification: 456-305-144 Modelnumber parameteritem456-305-144Rated load of the suspension center (lbf)30500Stroke (in)144;123;102 Frequency of stroke (min-1 )10;8;6Balance modeCrank balanceSpeed reducerResultant of torque28.333Retemoment of torque (Kin.lb)456Resultant gear ratioJS-456Center distance in38.38Structuralunbalance (lbf)-522Weight of ...
... modern sculptureDESCRIPTIONCondition:New - Excellent!!! Hand Crafted Metal Series Item number:JS-70004PYDimension(cm):25×55×98CMMaterial:metal- iron art spacers weldingColor ...
... seals: America PARKER or Japan NOK productsOil pipe connector: Germany JS productsValves: Germany BOSCH-REXROTH productsBall screw: Taiwan ABBA or HIWINStraight ...
... operation condition of lightning arrester. Alarm if failure happens. Introduction:JS(Y) Series lightning strike detector, a high voltage product, is ...
... type electricod dschorge counter to reeord frequency of arrestor act,JS-8 use high capability It can use at speciel condition ... arrestor's eloectricityt and obstruct functin from the basis of JS-8 type electrical discharge counter.No source,lightening diode indiceting ...
... and obvious display,.easy to install and seal is reliable JS-8, JS-8A electric meter reader is composited of valves, silicon ... 4/10μsImpact BigCurrent ≥kA Most BigLength mm Weight kg JS-86-35102.5400651852.84JSY-10/60035-110101.56001001852.95JCQ-AC35 ...
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