Lowering the viscosity of cement slurry by addition of co2 gas,申请号US19540458687-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	Lowering the viscosity of cement slurry by addition of co2 gas
摘要
申请公布号	US2790725(A)	申请公布日期	1957.04.30
申请号	US19540458687	申请日期	1954.09.27
申请人	MONOLITH PORTLAND MIDWEST COMPANY	发明人	WILLIAMS DUNCAN R.
分类号	C04B7/42	主分类号	C04B7/42
代理机构		代理人
主权项
地址

您可能感兴趣的专利

BEARING DEVICE FOR WHEEL

CONTROL DEVICE FOR COMPRESSOR AND COAL GASIFICATION POWER GENERATION SYSTEM

IGNITION COIL FOR INTERNAL COMBUSTION ENGINE

INTERNAL COMBUSTION ENGINE

FUEL FILTER AND FUEL FILTER UNIT

OIL FREE SCREW COMPRESSOR

LUBRICATING OIL SUPPLY STRUCTURE

OIL RETURNING UNIT

HEAD STRUCTURE FOR ENGINE

FAILURE DETECTOR OF AIR BYPASS VALVE IN SUPERCHARGER FOR ENGINE

ANTICREEPING DEVICE FOR TURNOUT FOR RAILROAD

METAL PIECE, AND JOINING METHOD OF LIPPED CHANNEL STEEL USING THE SAME

IMPERVIOUS SHEET FOR EMBANKMENT METHOD, EMBANKMENT STRUCTURE AND EMBANKMENT METHOD

DAYLIGHTING DOOR

DERRICKING GATE

ROOF SECTION STRUCTURE OF BUILDING, AND ROOF UNIT FOR USE IN IT

CONSTRUCTION METHOD FOR SPRAYING FIREPROOF MATERIAL ON TUNNEL-LINED INNER SURFACE

ASEISMIC CONTROL STRUCTURE