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经营范围
发明名称
Sicherungsvorrichtung für das Schaftende eines Knopfes.
摘要
申请公布号
CH251722(A)
申请公布日期
1947.11.15
申请号
CHD251722
申请日期
1946.04.26
申请人
B. A. BALLOU & CO. INC.
发明人
B. A. BALLOU & CO. INC.
分类号
A44B1/28
主分类号
A44B1/28
代理机构
代理人
主权项
地址
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