Is this the re-invented DIA COMPE, not the Japanese from the 1930's From Velobase:

DIA-COMPE HISTORY TIME LINE:

1930 : YOSHIGAI Industry was established to manufacturebicycle rim brakes.
1949 : YOSHIGAI KIKAI KINZOKU Co., Ltd. was established.
1963 : DiIA-COMPE combined its technology with WEINMANN SWISS to manufacture aluminum brakes.
1975 : DIA-COMPE USA Inc. was established in North Carolina, USA.
1987 : DIA-COMPE TAIWAN Co., Ltd. was established in Taiwan, R.O.C.
1996 : YOSHIGAI Corporation, a new organization of "DIA-COMPE Japan", was established.
1996 : DIATECH USA Inc. was established in Seattle, USA.
2001 : KUNSHAN DIA-COMPE Co., Ltd. was established in Jiang Su, China.
2005 : YOSHIGAI Corporation's Headquarters was moved to Kadoma city, Osaka, Japan.

Scott