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经营范围
发明名称
Rotary gas burner
摘要
申请公布号
US2675868(A)
申请公布日期
1954.04.20
申请号
US19500200265
申请日期
1950.12.11
申请人
VIDA RAY;RAY WILLIAM A;RAY ALVIN W
发明人
RAY VIDA;RAY WILLIAM A.;RAY ALVIN W.
分类号
F23D14/00
主分类号
F23D14/00
代理机构
代理人
主权项
地址
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