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发明名称
Improvements in or relating to chain guards for electrically operated hoist pulley blocks
摘要
申请公布号
GB846593(A)
申请公布日期
1960.08.31
申请号
GB19570036837
申请日期
1957.11.26
申请人
DONALD MAYER KING
发明人
分类号
B66D3/26
主分类号
B66D3/26
代理机构
代理人
主权项
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