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发明名称
Sectional grating
摘要
申请公布号
GB554834(A)
申请公布日期
1943.07.21
申请号
GB19420000617
申请日期
1942.01.15
申请人
RELIANCE STEEL PRODUCTS COMPANY
发明人
分类号
F23H13/00
主分类号
F23H13/00
代理机构
代理人
主权项
地址
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