首页
产品
黄页
商标
征信
会员服务
注册
登录
全部
|
企业名
|
法人/股东/高管
|
品牌/产品
|
地址
|
经营范围
发明名称
Roll-correction device on a driving apparatus for the underground jacking of piping sections with inaccessible nominal pipe diameters
摘要
Published without abstract.
申请公布号
DE3448158(C2)
申请公布日期
1987.10.15
申请号
DE19843448158
申请日期
1984.10.27
申请人
SOLTAU, GERD, DR.-ING., 2120 LUENEBURG, DE
发明人
SOLTAU, GERD, DR.-ING., 2120 LUENEBURG, DE
分类号
E21B7/20;(IPC1-7):E21D9/06
主分类号
E21B7/20
代理机构
代理人
主权项
地址
您可能感兴趣的专利
DEVICE FOR MEASURING SPECIFIC ELECTRICAL CONDUCTION OF LIQUID
DEVICE FOR DETERMINING SPECIFIC ELECTRICAL RESISTANCE OF POWDER MATERIALS
METHOD OF DETERMINING CONTENT OF COMPONENTS IN COMPOSITION POLYMERIC MATERIALS
DEVICE FOR TENSILE TEST OF TUBULAR POLYMERIC SPECIMENS
STAND FOR TESTING GEARINGS
DEVICE FOR MEASURING HEATING AND HEAT CARRY-OVER OF HEAT-INSULATING MATERIAL
CONVERTER FOR CONTACTLESS TRANSMISSION OF SLOWLY VARYING MEASURING SIGNALS FROM ROTARY OBJECT
CAPACITY TRANSDUCER FOR MEASURING LENGTH OF FATIGUE CRACK
DEVICE FOR CHECKING THICKNESS OF METALLURGICAL SET LINING
COOLING FURNACE GAS SEAL
ORE-SMELTING ELECTRIC FURNACE
MAGNETOSENSITIVE UNIT TO MAGNETIC-FIELD FLAW DETECTOR
VIBRATION ISOLATOR (VERSIONS)
NORMALLY CLOSED SHOE BRAKE,MAINLY FOR ESCALATOR WITH ELECTROMAGNETIC DRIVE
VERTICAL TURBOMOLECULAR PUMP
FLEXIBLE ENCLOSURE FOR ROOF SUPPORT
FEED MECHANISM OF STOPING CUTTER-LOADER
ELECTRODYNAMIC PERCUSSIVE MECHANISM
RECIPROCATING DRILLING AND ROCK-BREAKING MACHINE
ROOF-MOUNTING METHOD