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发明名称
Tubular conduit system for boilers and the like
摘要
申请公布号
US2746432(A)
申请公布日期
1956.05.22
申请号
US19490092486
申请日期
1949.05.10
申请人
GIOVANNI ROSSI
发明人
ROSSI GIOVANNI
分类号
F16L45/00;F22G3/00
主分类号
F16L45/00
代理机构
代理人
主权项
地址
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