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发明名称
Improvements in expansion joints for steam boilers
摘要
申请公布号
GB363833(A)
申请公布日期
1931.12.31
申请号
GB19300038639
申请日期
1930.12.23
申请人
ROBERT WHITEHEAD
发明人
分类号
F22B37/00
主分类号
F22B37/00
代理机构
代理人
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