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发明名称
Release mechanism
摘要
申请公布号
US1900725(A)
申请公布日期
1933.03.07
申请号
US19290362178
申请日期
1929.05.11
申请人
NATIONAL MALLEABLE AND STEEL CASTINGS COMPANY
发明人
MOFFETT FRANK E.
分类号
B61H13/04
主分类号
B61H13/04
代理机构
代理人
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