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发明名称
Draft gear
摘要
申请公布号
US2522570(A)
申请公布日期
1950.09.19
申请号
US19470748734
申请日期
1947.05.17
申请人
WAUGH EQUIPMENT COMPANY
发明人
DILG WALTER C.;MUNRO GEORGE R.
分类号
B61G9/06
主分类号
B61G9/06
代理机构
代理人
主权项
地址
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