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发明名称
Car truck and clasp brake assembly
摘要
申请公布号
US2168291(A)
申请公布日期
1939.08.01
申请号
US19340757747
申请日期
1934.12.17
申请人
AMERICAN STEEL FOUNDRIES
发明人
HEDGCOCK WILLIAM C.
分类号
B61H13/24
主分类号
B61H13/24
代理机构
代理人
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