Procédé pour la fabrication de tubes à ailettes du type utilisé dans les échangeurs de chaleur, machine pour sa mise en oeuvre et tubes obtenus par ce procédé,申请号FRD1147355-传众专利搜索

首页产品黄页商标征信

会员服务注册登录

法人/股东/高管

发明名称	Procédé pour la fabrication de tubes à ailettes du type utilisé dans les échangeurs de chaleur, machine pour sa mise en oeuvre et tubes obtenus par ce procédé
摘要
申请公布号	FR1147355(A)	申请公布日期	1957.11.22
申请号	FRD1147355	申请日期	1956.04.13
申请人		发明人	GAMBAROTTA VITTORIO
分类号	B21C37/26	主分类号	B21C37/26
代理机构		代理人
主权项
地址

您可能感兴趣的专利

PYRAZOLYLAMINOPYRIDINE DERIVATIVES USEFUL AS KINASE INHIBITORS

A TOY BUILDING SET

Antiviral glucocorticoid formulation comprising propylene glycol and ispropyl alkanoic acid esters

APPARATUS FOR SOLDERING CONDENSER

DATA FLOW CONTROL WITH DUPLICATE ACKNOWLEDGMENT

CAP OPERATED RETRACTABLE MEDICAL DEVICE

SYSTEM FOR PROVIDING A INFORMATION BASED LOCATION BY MEANS OF USING A SHORT MESSAGE SERVICE AND A METHOD THE SAME

METHOD OF ACCURATELY METERING A GASEOUS FUEL THAT IS INJECTED DIRECTLY INTO A COMBUSTION CHAMBER OF AN INTERNAL COMBUSTION ENGINE

USE OF IRON (III) COMPLEX COMPOUNDS

PHOSPHATE SALTS OF 6-DIMETHYLAMINOMETHYL-1-(3-METHOXYPHENYL)-1,3-DIHYDROXYCYCLOHEXANE COMPOUNDS

POTENTIAL THERAPEUTIC APPARATUS

POWER CONVERTERS IN WHICH THE INPUT COUPLING TIMES ARE ADJUSTED IN CONJUNCTION WITH CYCLE SKIPPING

IMPROVING BEAM NEUTRALIZATION IN LOW-ENERGY HIGH-CURRENT RIBBON-BEAM IMPLANTERS

RECEIVING DEVICE OF DIFFERENT MATERIALS WHICH MAINTAINS AN OPENING/CLOSING HOLE SEALING PORTION OPEN WHEN AN OPERATION PORTION IS DESCENDED

METHOD AND APPARATUS FOR DOWN SAMPLING OF DISPLAY

DEEP-POT-SHAPED COPPER SPUTTERING TARGET AND PROCESS FOR PRODUCING THE SAME