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经营范围
发明名称
Control mechanism for empty and load brakes
摘要
申请公布号
US2075321(A)
申请公布日期
1937.03.30
申请号
US19350045667
申请日期
1935.10.18
申请人
WINE WILLIAM E
发明人
WINE WILLIAM E.
分类号
B61H13/32
主分类号
B61H13/32
代理机构
代理人
主权项
地址
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