The 8.35 cm PL kanon vz.

Those weapons captured after the German occupation of Czechoslovakia in March 1939 were taken into Wehrmacht service as the 8.35 cm Flak 22(t).

144 were in Czech service during the Munich Crisis in September 1938 of which Slovakia seized between twenty-five and twenty-nine when it declared independence six months later.

[2][3] One hundred seven were in German service in August 1943, declining to twenty by October 1944.

The carriage's metal wheels limited its towing speed to 12 kilometres per hour (7.5 mph).