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经营范围
发明名称
Superposed enamel
摘要
申请公布号
US1875721(A)
申请公布日期
1932.09.06
申请号
US19280287355
申请日期
1928.06.21
申请人
THE VITREOUS ENAMELING COMPANY
发明人
FROST JOHN G. G.
分类号
C23D5/00
主分类号
C23D5/00
代理机构
代理人
主权项
地址
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