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 magnetic compasses
摘要
申请公布号
GB520431(A)
申请公布日期
1940.04.24
申请号
GB19380029788
申请日期
1938.10.14
申请人
PAUL KOLLSMAN
发明人
分类号
G01C17/00
主分类号
G01C17/00
代理机构
代理人
主权项
地址
您可能感兴趣的专利
LAYERED CUSHION FOR PACKING
HANGER FOR TUBULAR CONTAINER
APPARATUS FOR FORMING OPTICAL ELEMENT AND FORMING METHOD
TRANSPORTATION PALLET
CAN CARRYING CONTAINER
ARTICLE BOXING DEVICE
BRAKE CONTROL DEVICE FOR VEHICLE
TWO STAGE TYPE BICYCLE PARKING EQUIPMENT
SIDE SILL STRUCTURE OF AUTOMOBILE
WHEEL SET ELASTIC SUPPORTING DEVICE IN FREIGHT CAR
REAR ARM PART CONSTRUCTION FOR MOTORCYCLE
SUN VISOR FOR AUTOMOBILE
CARTON CASE
POWDER FILLING SYSTEM
DEAERATION DEVICE FOR PACKAGING BAG
METHOD FOR UPPER PICTURE DRAWING POTTERY WITH TRANSFER PLATE OF PRESSED FLOWER AND ITS PRODUCT
AUXILIARY JIG FOR MOUNTING IMPLEMENT
SHEET FOR LAMINATED DOUBLE POSTAL CARD
PRINTING APPARATUS
COLOR IMAGE FORMING APPARATUS
