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发明名称
Equalizing spring bolster for railroad cars
摘要
申请公布号
US3354837(A)
申请公布日期
1967.11.28
申请号
US19640419646
申请日期
1964.12.21
申请人
STANDARD CAR TRUCK COMPANY
发明人
WILLIAMS RAY C.
分类号
B61F5/06
主分类号
B61F5/06
代理机构
代理人
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