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
Akustische Vorrichtung.
摘要
申请公布号
AT118440(B)
申请公布日期
1930.07.10
申请号
ATD118440
申请日期
1928.01.12
申请人
ELECTRICAL RESEARCH PRODUCTS INC.
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
您可能感兴趣的专利
ANTIFOULING COMPOSITION, AND ANTIFOULING PAINT CONTAINING THE SAME
FIRE-PROOF FUNCTIONAL COMPOSITION-CONTAINING PRIMER
OLEFIN-BASED POLYMER COMPOSITION AND ITS CROSSLINKED MATERIAL
STYRENE-BASED RESIN HAVING FEW LOW MOLECULAR WEIGHT COMPONENT AND METHOD FOR PRODUCING THE SAME
ETCHING METHOD FOR COPPER-CLAD CIRCUIT BOARD WITH HYDROGEN PEROXIDE/SULFURIC ACID BASED ETCHING LIQUID
COATING RESIN COMPOSITION
FUEL OIL COMPOSITION FOR PREMIXED COMPRESSION-AUTOIGNITION ENGINE
RUBBER-MODIFIED IMPACT-RESISTANT RESIN COMPOSITION
MANUFACTURING METHOD OF POLYESTER POLYOL
OIL AND WEATHER RESISTANT RUBBER COMPOSITION AND OIL AND WEATHER RESISTANT RUBBER
NEW 9-N-BICYCLIC NUCLEOSIDE AGENT USEFUL AS SELECTIVE INHIBITOR OF PROINFLAMMATORY CYTOKINE
WATER-IN-OIL TYPE EMULSION CONTAINING 4,4-DIARYLBUTADIENE AND SURFACTANT DERIVED FROM POLYOLEFIN AND ITS USE
METHOD AND DEVICE FOR CHAMFERING CORNER OF EDGE FACE OF PLATE WORKPIECE
COATED CARBIDE DRILL
ROLLING EQUIPMENT, ROLL CHANGING DEVICE AND CHANGING METHOD
METHOD OF DETECTING ABNORMALITY IN TEMPERATURE SENSOR FOR PREDICTING CONSTRAINABLE BREAKOUT
DEVICE FOR MELTING AND CASTING METAL
WORKING OIL APPLICATOR, PRESS WORKING DEVICE HAVING THE APPLICATOR, AND PRESS WORKING METHOD USING THE SAME
ARC WELDER
FRICTION STIR JOINING METHOD