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发明名称
Ruler attachment
摘要
申请公布号
US2029899(A)
申请公布日期
1936.02.04
申请号
US19340755241
申请日期
1934.11.28
申请人
FIRM OF ALBERT NESTLER ACTIEN GESELLSCHAFT
发明人
STAHL WILHELM
分类号
B43L7/00
主分类号
B43L7/00
代理机构
代理人
主权项
地址
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