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发明名称
Throat plate for sewing machines
摘要
申请公布号
US1795373(A)
申请公布日期
1931.03.10
申请号
US19270223782
申请日期
1927.10.03
申请人
UNION SPECIAL MASCHINENFABRIK, G.M.B.H.
发明人
MAIER KARL
分类号
D05B61/00;D05B73/12
主分类号
D05B61/00
代理机构
代理人
主权项
地址
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