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发明名称
Vergroesserung der Verdampfungsoberflaeche und des Dampfraumes bei stehenden Wasserrohrkesseln mit oberer und unterer Ringkammer
摘要
申请公布号
DE1601778(A1)
申请公布日期
1971.01.07
申请号
DE19681601778
申请日期
1968.02.23
申请人
SIMON,KARL
发明人
SIMON,KARL
分类号
F22B21/06
主分类号
F22B21/06
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代理人
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