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PIANO MINDS LIMITED PARTNERSHIP Registered No. 0123561002161 Province Nonthaburi Registration date May 21, 2018
CRESCENDO AND DAD LIMITED PARTNERSHIP Registered No. 0443560001826 Province Maha Sarakham Registration date November 30, 2017
TUNE IT UP LIMITED PARTNERSHIP Registered No. 0103557015466 Province Bangkok Registration date July 28, 2014
FORTISSISSIMO MUSIC STUDIO LIMITED PARTNERSHIP Registered No. 0123557002551 Province Nonthaburi Registration date May 19, 2014
KAT AND CAT LIMITED PARTNERSHIP Registered No. 0103555056874 Province Bangkok Registration date December 7, 2012
PIANOMAGASINET.DK LTD.PART Registered No. 0343554001527 Province Ubon Ratchathani Registration date September 16, 2011
WORAPHINIT REPAIR SHOP MUSIC CO.,LTD. Registered No. 0105554060853 Province Bangkok Registration date May 6, 2011
ศูนย์บริการเปียโนสุขจิต Registered No. 0103542029598 Province Bangkok Registration date December 27, 1999
SIAM MUSIC YAMAHA SERVICE CO.,LTD. Registered No. 0105542072100 Province Bangkok Registration date September 21, 1999
PIANO CLEANER AND SERVICE LTD., PART Registered No. 0103542019347 Province Bangkok Registration date August 25, 1999
Y. B. VIOLIN MAKER LTD., PART Registered No. 0213539000745 Province Rayong Registration date March 25, 1996
HOE SON PIANO LTD., PART Registered No. 0103512020789 Province Bangkok Registration date December 26, 1969