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公开(公告)号：US1955006A
公开(公告)日：1934-04-17
申请号：US64533032
申请日：1932-12-02
Applicant: STANDARD OIL DEV CO
Inventor： MATEER GEORGE L , HALLER CASPER P
IPC: F28F9/22
CPC classification number: F28F9/22 , F28F2009/224 , F28F2230/00 , F28F2275/10 , F28F2275/14 , Y10S122/03
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