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发明名称
Tauchmaske fuer Schwimmer
摘要
申请公布号
DE1099919(B)
申请公布日期
1961.02.16
申请号
DE1957G023329
申请日期
1957.11.09
申请人
BARNEY B. GIRDEN
发明人
GIRDEN BARNEY B.
分类号
B63C11/16
主分类号
B63C11/16
代理机构
代理人
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