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
Trockenabsaugegeraet fuer die Verwendung im Bergbau unter Tage, insbesondere fuer niedrige Floeze
摘要
申请公布号
DE870834(C)
申请公布日期
1953.03.16
申请号
DE1951H007803
申请日期
1951.03.11
申请人
HERMANN HEMSCHEIDT
发明人
SCHMIDT ADALBERT;KRAUTH LUDWIG
分类号
E21B21/07
主分类号
E21B21/07
代理机构
代理人
主权项
地址
您可能感兴趣的专利
CONTROL CABLE AND TRANSMISSION ACTUATING DEVICE FOR AUTOMOBILE USING SAID CABLE
SELECTIVE DEPOSITION METHOD FOR ELECTROLESS PLATING
FREEZING REFRIGERATOR
LIQUID JET RECORDER
VENTILATION DEVICE
COMBUSTION DEVICE
COMBUSTION DEVICE
MEASURING INSTRUMENT FOR ELECTRONIC TIMEPIECE
PATTERN RECOGNIZING CIRCUIT OF MEASURING INSTRUMENT FOR TRANSMISSION LINE ACCIDENT CURRENT
PRODUCTION OF PITCH-BASED CARBON FIBER
SEMICONDUCTOR MEMORY DEVICE
REPLENISHMENT LIQUID SUPPLY DEVICE FOR AUTOMATIC DEVELOPING MACHINE
NO-LOAD FEED CONTROL DEVICE FOR MOTOR-DRIVEN CAMERA
MANUFACTURE OF EXTERIOR PART OF WRISTWATCH
QUANTIFICATION OF ADENOCARCINOMATOUS ANTIGEN
ABSORPTIVE/FLUORESCENT MULTIWAVELENGTH PHOTOMETER
MATERIAL SUPPLY METHOD AND ITS EQUIPMENT
PATTERN POSITIONING METHOD
HUMIDITY MEASURING METHOD
CONTROLLING METHOD FOR BLOWING OF GRANULAR PARTICLE TO REACTION VESSEL