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
Improvement relating to walls and blocks for building purposes
摘要
申请公布号
GB383979(A)
申请公布日期
1932.12.01
申请号
GB19310020926
申请日期
1931.07.22
申请人
WILLIAM JOHN PARKER
发明人
分类号
E04C1/40
主分类号
E04C1/40
代理机构
代理人
主权项
地址
您可能感兴趣的专利
OPTICAL PICKUP DEVICE
OPTICAL DISK
PRODUCTION OF MAGNETIC RECORDING MEDIUM
MAGNETIC DISK AND PRODUCTION THEREOF
MAGNETIC HEAD CLEANING DEVICE
RECORDED DATA PROTECTION METHOD OF REWRITABLE OPTICAL DISK
OPTICAL CARD CONVEYING METHOD
ELECTRONIC CASH REGISTER
AUTOMATIC VENDING MACHINE
MONTE CARLO SIMULATION METHOD
AUTOMATIC CONTROL POSITIVE TIME INTEGRATION METHOD FOR LOCAL TIME TICKING
BUS COMMUNICATION SYSTEM
PROCESSOR FOR PRODUCT SALES DATA
AUTOMATIC VENDING MACHINE
SYSTEM FOR INDICATING PRESCRIBED OPERATION TO STATUS IN PICTURE OPERATION LANGUAGE
INFORMATION EXCHANGE DEVICE
DATA PROCESSOR
MAGNETIC DISK DEVICE
COMPUTER SYSTEM
ORIGINAL POINT RETURN CONTROL METHOD FOR POSITION CONTROLLER
