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RE: 사람 소변으로 만든 “친환경 벽돌”

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pius.pius (72)in #kr • 7 years ago

저도 벽돌에서 발전해 시멘트가 쓰이는 다양한 건축 분야에 적용되길 바랍니다^^

7 years ago in #kr by pius.pius (72)
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