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经营范围
发明名称
TONGUE PROTECTOR
摘要
申请公布号
CA381714(A)
申请公布日期
1939.05.30
申请号
CAD381714
申请日期
申请人
INDUSTRIAL PATENTS CORPORATION
发明人
ANDREW S. HARTANOV
分类号
主分类号
代理机构
代理人
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