मात्रकों की अन्तर्राष्ट्रीय पद्धति कब लागू की गई ?

Matrakon Ki International Paddhati Kab Lagu Ki Gayi ?


A. 1969 ई .
B. 1971 ई .
C. 1983 ई .
D. 1991 ई .

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Comments Pooja Singh on 14-09-2021

Matrako ki antrastriy padayi kb lagu ki gyi

Gandu on 13-12-2019

So paddati

ANKIT KUMAR on 30-11-2019

SI matrak kb lagu hua

Shlok kumar on 22-11-2019

1960 me franse me cgs lagu hua tha or briten me fps to 1971 me Antrastriye padhti MKS lagu hua

kashish on 14-11-2019

si matrak kab lagu kiya gaya

Ramvaran s. on 03-09-2019

Kahi 1960 me Kaya hutha


Guddu Sir khiriyawan on 24-05-2019

1971 Sashi h

Chetan shuddhodan khadse on 12-05-2019

Kahi to 1967 diya hai or kahi 1971 diya hai sahi kya hai

ravindra on 12-05-2019

Sir 1969 kme kya Hua tha

kamlesh sahu on 12-05-2019

koi correct nahi ho raha hai sir plz tell me

Ritesh on 08-04-2019

Sir सही kaun hai 1969 या 1971

Ankit Malik on 02-11-2018

1971




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