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发明名称
Associating mechanism
摘要
申请公布号
US1805681(A)
申请公布日期
1931.05.19
申请号
US19270185147
申请日期
1927.04.20
申请人
R. HOE & CO., INC.
发明人
BALL HARRY V.
分类号
B41F13/54
主分类号
B41F13/54
代理机构
代理人
主权项
地址
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