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发明名称
Coupler
摘要
申请公布号
US2467317(A)
申请公布日期
1949.04.12
申请号
US19450636642
申请日期
1945.12.22
申请人
AMERICAN STEEL FOUNDRIES
发明人
KAYLER FRANK H.
分类号
B61G3/04
主分类号
B61G3/04
代理机构
代理人
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