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
Improvements in or relating to drill hammers
摘要
申请公布号
GB876766(A)
申请公布日期
1961.09.06
申请号
GB19580040418
申请日期
1958.12.15
申请人
FRIEDRICH HEINRICH FLOTTMANN
发明人
分类号
E21B21/01
主分类号
E21B21/01
代理机构
代理人
主权项
地址
您可能感兴趣的专利
CODING AND TRAINING OF THE VOCABULARY FOR SPEECH RECOGNITION
THERMOPLASTIC RESIN COMPOSITION CONTAINING THERMOPLASTIC POLYMER CONTAINING ALICYCLIC GROUP AND MOLDED OBJECT
NOVEL COMPOSITION AND USE
USE OF SUBSTITUTED (QUINOLIN-2-YL-METHOXY)PHENYL-ACYL-SULPHONAMIDES AND -CYANAMIDES FOR THE TREATMENT OF DISEASES
PLASMA FOCUS LIGHT SOURCE WITH IMPROVED PULSE POWER SYSTEM
FUEL CELLS HAVING SILICON SUBSTRATES AND/OR SOL-GEL DERIVED SUPPORT STRUCTURES
DIAGNOSIS OF CANCER BY DETECTING ASH2 POLYPEPTIDES OR POLYNUCLEOTIDES
RESIN COMPOSITIONS
DETECTION OF CHROMOSOME COPY NUMBER CHANGES TO DISTINGUISH MELANOCYTIC NEVI FROM MALIGNANT MELANOMA
PERSONAL CARE ARTICLES COMPRISING CATIONIC POLYMER COACERVATE COMPOSITIONS
SYSTEM AND METHOD FOR APPLICATION VIEWING THROUGH COLLABORATIVE WEB BROWSING SESSION
AN ELEMENT INTENDED TO BE IMPLANTED IN BODY TISSUE, AND A DEVICE FOR MANUFACTURING SUCH AN ELEMENT
Method of Meat Smoking
THREE DIMENSIONAL DATA STORAGE DEVICE AND METHOD FOR READING
FREQUENCY HOPPING IN GPRS/GSM COMPACT COMMUNICATIONS SYSTEM
METHOD FOR AUTHENTICATING A RADIO COMMUNICATION NETWORK VIS-A-VIS A MOBILE STATION AND RADIO COMMUNICATION NETWORK AND MOBILE STATION
PLANT BIOCHEMISTRY-RELATED GENES
DISPOSITIF DE REGULATION THERMIQUE POUR CHAINE DE TRACTION D'UN VEHICULE AUTOMOBILE
ANESTHETIC BREATHING CIRCUIT
POLYMERE LINEAIRE OPTIQUEMENT ACTIF UTILISABLE COMME LIGAND DANS LA PREPARATION DE COMPLEXES METALLIQUES DESTINES A LA CATALYSE ASYMETRIQUE