Improvements in and relating to means for controlling the supply of gas to burners for water heating appliances, such as water heaters, geysers, boilers and the like
摘要
申请公布号
GB514503(A)
申请公布日期
1939.11.09
申请号
GB19380013702
申请日期
1938.05.07
申请人
SAFETY GAS DEVICES LIMITED;MECHEL RABINOWICZ;ISRAEL KESTENBAUM
