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发明名称
Improvements in jacks
摘要
申请公布号
GB558561(A)
申请公布日期
1944.01.11
申请号
GB19420004618
申请日期
1942.04.08
申请人
JOSEPH SONNEBORN
发明人
分类号
B66F11/00;F42C9/04
主分类号
B66F11/00
代理机构
代理人
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地址
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