Re China. When I was there about 5 years ago there were 2 sizes or crowsfoot plug/socket. The common one matched Australian plugs, but there was a larger version on the hotel air con which Australian plugs would not fit.
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the latest chinese national standard in pdf format
GB1002-2008 Single phases plugs and socket-outlets for household and similar purposes — Types,basic parameters and dimensions
GB1003-2008 Three phases plugs and socket-outlets for household and similar purposes — Types,basic parameters and dimensions
