spn型活塞杆用组合密封圈 nok密封件 产品号        规格尺寸 gs2301-v0       spn18*27*4.3 gs2302-v0       spn20*29*4.3 gs2303-v0       spn22*31*4.3 gs2304-v0       spn27*36*4.3 gs2305-v0       spn31.5*40.5*4.3 gs2306-v0       spn47*60*7.3 gs2307-v0       spn53*66*7.3 gs2308-v0       spn60*73*7.3 gs2309-v0       spn65*78*7.3 gs2310-v0       spn70*83*7.3 gs2311-v0       spn75*88*7.3 gs2312-v0       spn80*93*7.3 gs2313-v0       spn90*103.4*7.3 gs2314-v0       spn100*113.4*7.3 gs2315-v0       spn105*118.4*7.3 gs2316-v0       spn110*123.4*7.3 gs2317-v0       spn120*133.4*7.3 gs2318-v0       spn130*143.4*7.3 gs2319-v0       spn140*153.4*7.3