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经营范围
发明名称
Heat protection filter
摘要
申请公布号
US2668478(A)
申请公布日期
1954.02.09
申请号
US19490132875
申请日期
1949.12.14
申请人
FISH-SCHURMAN CORPORATION
发明人
SCHRODER HUBERT
分类号
G02B5/28
主分类号
G02B5/28
代理机构
代理人
主权项
地址
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