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经营范围
发明名称
Handharmonikaverschluss
摘要
申请公布号
DE631951(C)
申请公布日期
1936.07.06
申请号
DE1933H137431D
申请日期
1933.09.10
申请人
JOHANNES HOLDER
发明人
分类号
G10D11/00
主分类号
G10D11/00
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