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发明名称
Fremgangsmaade til Opnaaelse af Uforanderlighed i Volumenet af Træ og lignende.
摘要
申请公布号
DK43608(C)
申请公布日期
1931.01.19
申请号
DKD43608
申请日期
1929.03.23
申请人
LUDWIG BACHRICH
发明人
LUDWIG BACHRICH
分类号
主分类号
代理机构
代理人
主权项
地址
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