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发明名称
Improvements in tool retainer and aligner for percussive apparatus
摘要
申请公布号
GB630826(A)
申请公布日期
1949.10.21
申请号
GB19470029396
申请日期
1947.11.04
申请人
CHARLES AUSTIN HIRSCHBERG
发明人
分类号
B25D17/08
主分类号
B25D17/08
代理机构
代理人
主权项
地址
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