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发明名称
Pianonsoiton harkoituslaite
摘要
申请公布号
FI21278(A)
申请公布日期
1946.05.10
申请号
FID21278
申请日期
1943.12.10
申请人
发明人
POHJANMIES JALMARI JOHANNES ALEK
分类号
G10C1/00;(IPC1-7):G10C1/00
主分类号
G10C1/00
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代理人
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