Pax 2 Vaporizer. It looks like pax for passengers goes back at least to the 1940s in the airline industry. The magazine for pilots, 1946 (check):
物流空运里面 general lift 这个如何解释？ cao和pax 又是什么缩写呢？general lift 普通空运cao (cargo for feighter only 的简写) 仅限货机承运pax 1、pax:passengers乘客 2、private. It looks like pax for passengers goes back at least to the 1940s in the airline industry. I found this clip from air facts:
It Looks Like Pax For Passengers Goes Back At Least To The 1940S In The Airline Industry.
The magazine for pilots, 1946 (check): I found this clip from air facts: 物流空运里面 general lift 这个如何解释？ cao和pax 又是什么缩写呢？general lift 普通空运cao (cargo for feighter only 的简写) 仅限货机承运pax 1、pax:passengers乘客 2、private.
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物流空运里面 General Lift 这个如何解释？ Cao和Pax 又是什么缩写呢？General Lift 普通空运Cao (Cargo For Feighter Only 的简写) 仅限货机承运Pax 1、Pax:passengers乘客 2、Private.
The magazine for pilots, 1946 (check): It looks like pax for passengers goes back at least to the 1940s in the airline industry. I found this clip from air facts: