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发明名称
Device for cleaning toilet hoppers and the like
摘要
申请公布号
US2214972(A)
申请公布日期
1940.09.17
申请号
US19390274445
申请日期
1939.05.18
申请人
RIES EDWARD M
发明人
RIES EDWARD M.
分类号
A47L13/20
主分类号
A47L13/20
代理机构
代理人
主权项
地址
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CONVEX PULLEY
METHOD AND APPARATUS FOR DRYING GASES
SOLENOID COIL DRIVE FOR SYNCHRONOUS CIRCUIT BREAKERS USING SHORT CIRCUITED WINDING PORTION
VOLTAGE STABILIZED POLYOLEFIN DIELECTRIC
MINERAL OIL SOLUTIONS OF ALKENYL SUBSTITUTED BIS-SUCCINIMIDE OF POLYALKYLENE POLYAMINO DIAMIDE FROM POLYALKYLENE AMINE-UREA CONDENSATION PRODUCT
APPARATUS FOR DRESSING GRINDING WHEELS
HEAT EXCHANGERS
METHOD OF ELECTRODEPOSITING COATING COMPOSITIONS WITH REDUCED SOLUBLE CHROMATE IONS
PROCESS FOR PREPARING ALFIN CATALYSTS AND SODIUM DISPERSIONS FOR USE IN MAKING THE SAME
2-HYDROXY - 3,5 - DIHYDROCARBYLBENZYL 3-HYDROCARBYL - 4 - HYDROXY-5-(DIALKYLAMINOMETHYL) PHENYL SULFIDE
BITUMEN - MALEIC ANHYDRIDE - ETHYLENE-VINYL ACETATE REACTION PRODUCTS AND MOLDING COMPOSITIONS MADE THEREFROM
COMPOSITION OF MATTER COMPRISING A POLYCARBONAMIDE AND CURED RUBBER FINES
APPARATUS FOR CLEANING WATER
