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发明名称
Process and apparatus for making buttons
摘要
申请公布号
GB482851(A)
申请公布日期
1938.04.06
申请号
GB19370015087
申请日期
1937.05.31
申请人
WILLI GRAEBNER;HORST HINKELMANN;OTTO SEIFERT;PAUL REUSSNER
发明人
分类号
B29C43/00;B29D19/00
主分类号
B29C43/00
代理机构
代理人
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地址
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