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发明名称
Lettering pen
摘要
申请公布号
US2134296(A)
申请公布日期
1938.10.25
申请号
US19370154390
申请日期
1937.07.19
申请人
BLUHM CHARLES E
发明人
BLUHM CHARLES E.
分类号
B43K1/02
主分类号
B43K1/02
代理机构
代理人
主权项
地址
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Flammgeschützte Polycarbonat-Zusammensetzungen
