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发明名称
Boom safety control system for cranes
摘要
申请公布号
US3285430(A)
申请公布日期
1966.11.15
申请号
US19650488178
申请日期
1965.09.17
申请人
BIGGE DRAYAGE CO.
发明人
WHITMIRE WILLIAM A.
分类号
B66C23/94
主分类号
B66C23/94
代理机构
代理人
主权项
地址
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