helium leak detector वाक्य
"helium leak detector" हिंदी में helium leak detector in a sentenceउदाहरण वाक्य
- Today's Veeco Instruments Inc . traces its history back to an earlier company which was incorporated in 1945 by two Manhattan Project scientists, Frank Raible and Al Nerken, who created the helium leak detector-the first was called MS-8.