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发明名称
Boom controlling device for power cranes
摘要
申请公布号
US3043445(A)
申请公布日期
1962.07.10
申请号
US19610084371
申请日期
1961.01.23
申请人
HOLMES WILLIAM C
发明人
HOLMES WILLIAM C.
分类号
B66C23/36;B66C23/72
主分类号
B66C23/36
代理机构
代理人
主权项
地址
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