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发明名称
Rulleskøjte med Frastødningsorgan.
摘要
申请公布号
DK51611(C)
申请公布日期
1936.05.11
申请号
DKD51611
申请日期
1933.12.11
申请人
PAUL BOETTCHER
发明人
PAUL BOETTCHER
分类号
主分类号
代理机构
代理人
主权项
地址
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