某市登记机构询问两个与不动产权属证书有关的问题:一、张某在婚姻关系存续期间购买了一套商品房,2003年申请房屋所有权登记时,用张某一个人的名义申请并领取了房屋所有权证,在2006年,又以其妻的名义领取了该房屋范围的国有土地使用权证。现张某和其妻要求换领两人共有的不动产权属证书。对此,我们应如何办理?二、薛某向我单位申请遗失补证,在刊登遗失声明后,有王某来我单位反映:薛某的房 A city registration agency inquired about two issues related to real estate ownership certificates: First, Zhang purchased a set of commercial housing during the marriage. When applying for the registration of house ownership in 2003, Zhang applied and received the name of Zhang Housing ownership certificate, in 2006, again in the name of his wife received the scope of the housing state-owned land use right certificate. Zhang and his wife are now required to redeem the two common real estate ownership certificate. In this regard, how should we handle? Two, Xuemou to apply for loss of my unit to fill a certificate, after the publication of a statement of loss, Wang came to my unit to reflect: Xue’s room