An improvement in and relating to the means of safeguarding those workmen engaged inthe operation of machine-boring into rock, coal or the like solid matter from the dangers of dust,申请号GB19530014849-传众专利搜索

首页产品黄页商标征信

会员服务注册登录

法人/股东/高管

发明名称	An improvement in and relating to the means of safeguarding those workmen engaged inthe operation of machine-boring into rock, coal or the like solid matter from the dangers of dust
摘要
申请公布号	GB737138(A)	申请公布日期	1955.09.21
申请号	GB19530014849	申请日期	1953.05.28
申请人	WILLIAM JOHN THOMAS	发明人
分类号	E21B21/00	主分类号	E21B21/00
代理机构		代理人
主权项
地址

您可能感兴趣的专利

COMPOSITE SUBSTRATE

LIGHT SOURCE DEVICE AND PROJECTOR

PACKING MATERIAL FOR FLANGE PIN, PACKING UNIT, METHOD FOR ASSEMBLING PACKING UNIT, AND UNPACKING METHOD

CONTROL UNIT OF MOTOR

ILLUMINATION ARTIFICIAL FLOWER, POWER SUPPLY DEVICE FOR THE ILLUMINATION ARTIFICIAL FLOWER, AND LIGHTING DEVICE FOR THE ILLUMINATION ARTIFICIAL FLOWER USING THE ARTIFICIAL FLOWER AND THE POWER SUPPLY DEVICE

LIGHTING SYSTEM

Simultaneous state-based cryptographic splitting in a secure storage appliance

Data handling in a distributed communication network

Link and link assembly for track-type machine

Delta 6-desaturase genes and uses thereof

Combinations comprising methotrexate and DHODH inhibitors

DISPOSITIVO DE SEGURIDAD PARA ESCALERAS DE MANO

ENVASE DISPENSADOR PARA PRODUCTOS GRANULADOS O EN POLVO.

SYSTEM AND METHOD FOR COOLING SYNGAS PRODUCED FROM A GASIFIER

DISPOSITIVO USB COMPATIBILE

Improvements in bolus devices for the delivery of active agents to animals

VAPOR RECOVERY PUMP REGULATION OF PRESSURE TO MAINTAIN AIR TO LIQUID RATIO

(1,10b-dihydro-2-(aminocarbonyl-phenyl)-5H-pyrazolo(1,5- c)(1,3)benzoxazin-5-yl)phenyl methanone derivatives as HIV viral replication inhibitors