INTERNATIONAL PATENT: GUO, HAIFENG, 郭海峰, ZHANGJIAKOU XUANHUA FUJIA DRILLING EQUIPMENT CO., LTD, 张家口市宣化富甲钻潜设备有限责任公司 FILES APPLICATION FOR "NOVEL SHIP MACHINE FOR DRILLING, EXPANSION FRACTURING AND ROCK REMOVAL AND ROCK BREAKING AND ROCK CLEARING METHOD AND PROCESS"

GENEVA, Dec. 21 -- GUO, Haifeng (No. 422, Building 2, Anji Wanda Plaza, No. 55 Gaoxin Avenue, Xixiangtang DistrictNanning, Guangxi 530000), 郭海峰 (中国广西壮族自治区南宁市西乡塘区高新大道55号安吉万达广场2栋422号), ZHANGJIAKOU XUANHUA FUJIA DRILLING EQUIPMENT CO., LTD (No. 501, Unit 3, Building 3, Xuancai West Building, No.1 Dongsheng Road, Xuanhua DistrictZhangjiakou, Hebei 075105), 张家口市宣化富甲钻潜设备有限责任公司 (中国河&...